Free Online Utility Tools for Everyday Tasks

12 Stopwatch & Timer Simple browser stopwatch and countdown timer.

2 World Clock Track multiple real-time clocks with browser-supported IANA time zones, UTC offsets, dates and day/night indicators.

0 Date Difference Calculator Calculate exact elapsed duration and calendar difference between two local date/time values, including leap-year and month-length handling.

0 Business Days Calculator Count business days between dates using configurable weekends, holidays and inclusive/exclusive date rules.

0 Time Zone Converter Convert date/time values between browser-supported IANA time zones with DST-aware local-to-instant handling.

0 Unix Timestamp Generator Convert date/time to Unix seconds or milliseconds and decode timestamps back to ISO, UTC and local dates.